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added Element.toAtom()
[sbp.git]
/
tests
/
meta.g
diff --git
a/tests/meta.g
b/tests/meta.g
index
c40600f
..
11fee67
100644
(file)
--- a/
tests/meta.g
+++ b/
tests/meta.g
@@
-1,26
+1,27
@@
s ::= ws grammar ws => "gram"
ws !::= w**
s ::= ws grammar ws => "gram"
ws !::= w**
+wp !::= w++
grammar ::= r +/ ws => "grammar"
grammar ::= r +/ ws => "grammar"
+
r ::= word ^"::=" alternatives /ws
| word ^"!::=" alternatives /ws
r ::= word ^"::=" alternatives /ws
| word ^"!::=" alternatives /ws
-alternatives ::= equiAlt +/ (ws ">" ws)
-equiAlt ::= conjuncts +/ (ws "|" ws)
-
-sequence ::= es
- > es ws ^"/" e
-es ::= e */ (w**)
-
-ss ::= es | es ^"/" e /ws
+alternatives ::= (conjuncts +/ (ws "|" ws)) +/ (ws ">" ws)
-conjuncts ::= rewrite
- | rewrite ^"&" e*/ws /ws
- | rewrite ^"&~" e*/ws /ws
+conjuncts ::= sequence
+ | sequence ^"&" e*/ws /ws
+ | sequence ^"&~" e*/ws /ws
-rewrite ::= sequence /ws => "rewrite"
- | sequence ^"=>" word /ws
- | sequence ^"=>" quoted /ws
- | sequence "=>" "()" /ws => "wrap"
+ps ::= e*/ws => "ps"
+ | (e+/ws ws)? "^" quoted (ws e+/ws)? => "ps2"
+psy ::= ps
+ | ps wp ^"/" ws e
+psx ::= psy ^"?=>" e /ws
+ | psy ^"!=>" e /ws
+ > psy
+sequence ::= quoted => "qprod"
+ > psx
+ | psx ^"=>" (word|quoted) /ws
ec ::= [~\-\]\\\~]
| escaped
ec ::= [~\-\]\\\~]
| escaped
@@
-28,35
+29,26
@@
ec ::= [~\-\]\\\~]
range ::= ec => "range"
| ec ^"-" ec
range ::= ec => "range"
| ec ^"-" ec
-e ::= word => "nonTerminalY"
- | [(][)] => "epsilon"
- | ^"{" alternatives "}" /ws
- | ^"[" (range*) "]"
- | ^"[~" (range*) "]"
- | ^"^" quoted /ws
- | e ^"~/~" /ws
- | ^"!" e /ws
-
- | ^"`" e /ws
- | e ^"#" /ws
-
- | (e ws ^"**" > e ws ^"*")
- | e ^"*/" e /ws
- | (e ws ^"++" > e ws ^"+")
- | e ^"+/" e /ws
- | e ^"?" /ws
-
+e ::= word => "nonTerminal"
| quoted => "literal"
| quoted => "literal"
+ | ^"()"
+ | ^"{" sequence "}" /ws
+ | ^"[" range* "]"
+ | ^"[~" range* "]"
+
+ | (e ^"++" /ws > e ^"+" /ws)
+ | (e ^"++/" e /ws > e ^"+/" e /ws)
+ | (e ^"**" /ws > e ^"*" /ws)
+ | (e ^"**/" e /ws > e ^"*/" e /ws)
+ | e ^"?" /ws
- | "(" word ^")" /ws
- > ^"(" alternatives ")" /ws
-
+ | "(" word ^")" /ws
+ > ^"(" alternatives ")" /ws
w !::= " "
| "//" ([~\n]*) "\n"
| "\n"
| "\r"
w !::= " "
| "//" ([~\n]*) "\n"
| "\n"
| "\r"
-an ::= [a-zA-Z0-9_]
-word ::= an++
+word ::= [a-zA-Z0-9_]++
quoted ::= "\"" (([~\"\\] | escaped)+) "\""
| "\"\"" => ""
escaped ::= "\\n" => "\n"
quoted ::= "\"" (([~\"\\] | escaped)+) "\""
| "\"\"" => ""
escaped ::= "\\n" => "\n"